﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;

namespace Skyper.Phone {
	public partial class App : Application {
		#region Private
		private bool phoneApplicationInitialized = false;
		public static readonly Version Version;
		#endregion
		#region Constructor
		public App() {
			// Global handler for uncaught exceptions. 
			UnhandledException += Application_UnhandledException;

			// Show graphics profiling information while debugging.
			if (System.Diagnostics.Debugger.IsAttached) {
				// Display the current frame rate counters.
				Application.Current.Host.Settings.EnableFrameRateCounter = true;

				// Show the areas of the app that are being redrawn in each frame.
				//Application.Current.Host.Settings.EnableRedrawRegions = true;

				// Enable non-production analysis visualization mode, 
				// which shows areas of a page that are being GPU accelerated with a colored overlay.
				//Application.Current.Host.Settings.EnableCacheVisualization = true;
			}

			// Standard Silverlight initialization
			InitializeComponent();

			// Phone-specific initialization
			InitializePhoneApplication();

			
		}
		static App() {

		}
		#endregion
		#region Private
		private void Application_Launching(object sender, LaunchingEventArgs e) {
			
		}
		private void Application_Activated(object sender, ActivatedEventArgs e) {
			
		}
		private void Application_Deactivated(object sender, DeactivatedEventArgs e) {
			
		}
		private void Application_Closing(object sender, ClosingEventArgs e) {
			
		}
		private void RootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e) {
			if (System.Diagnostics.Debugger.IsAttached) {
				// A navigation has failed; break into the debugger
				System.Diagnostics.Debugger.Break();
			}
		}
		private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e) {
			if (System.Diagnostics.Debugger.IsAttached) {
				// An unhandled exception has occurred; break into the debugger
				System.Diagnostics.Debugger.Break();
			}
		}
		private void InitializePhoneApplication() {
			if (phoneApplicationInitialized)
				return;

			// Create the frame but don't set it as RootVisual yet; this allows the splash
			// screen to remain active until the application is ready to render.
			RootFrame = new PhoneApplicationFrame();
			RootFrame.Navigated += CompleteInitializePhoneApplication;
			
			// Handle navigation failures
			RootFrame.NavigationFailed += RootFrame_NavigationFailed;
			// Ensure we don't initialize again
			phoneApplicationInitialized = true;
		}
		private void CompleteInitializePhoneApplication(object sender, NavigationEventArgs e) {
			// Set the root visual to allow the application to render
			if (RootVisual != RootFrame)
				RootVisual = RootFrame;

			// Remove this handler since it is no longer needed
			RootFrame.Navigated -= CompleteInitializePhoneApplication;
		}
		#endregion
		#region Public
		public static void Navigate(String url) {
			((App)App.Current).RootFrame.Navigate(new Uri(url,UriKind.Relative));
		}
		#endregion
		#region Property
		public PhoneApplicationFrame RootFrame {
			get;
			private set;
		}
		#endregion
	}
}